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Business Segments, Geographic Data, Sales by Product Group and Major Customers - Additional Information (Detail) $ in Thousands		12 Months Ended
	Sep. 20, 2017 USD ($)	Dec. 31, 2017 USD ($) Segment	Dec. 31, 2016 USD ($) Segment	Mar. 15, 2018 USD ($)	Sep. 22, 2017 USD ($)
Segment Reporting Information [Line Items]
Number of reporting segments | Segment		3	3
Tools, dyes and molds		$ 23,227	$ 22,841
Percentage of net sales accounted from customer description		No other customer accounted for more than 10% of the Company's total net sales.
Toys 'R' Us
Segment Reporting Information [Line Items]
Pre-petition consolidated accounts receivable, reserved		$ 8,900
Pre-petition consolidated accounts receivable, gross		22,800
Pre-petition consolidated accounts receivable, net		13,900
Pre-petition consolidated accounts receivable, unreserved		2,900
Proceeds from debtor-in-possession financing	$ 2,200,000
Debtor-in-possession financing					$ 3,100,000
Post-petition consolidated accounts receivable, gross		18,600
Proceeds from post-petition consolidated accounts receivable		$ 14,100
Subsequent Event | Toys 'R' Us
Segment Reporting Information [Line Items]
Pre-petition consolidated accounts receivable, reserved				$ 8,900
Pre-petition consolidated accounts receivable, gross				22,800
Post-petition consolidated accounts receivable, gross				13,100
Post-petition consolidated accounts receivable, net				$ 4,500
Net Accounts Receivable | Toys 'R' Us | Customer Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk percentage		26.40%	23.50%
Net Accounts Receivable | Wal-Mart and Target | Customer Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk percentage		60.60%	59.60%
China
Segment Reporting Information [Line Items]
Tools, dyes and molds		$ 17,194	$ 15,710

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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